﻿using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static int minuteOld = -1;

        static void Main(string[] args)
        {
            DateTime d = new DateTime(2015, 1, 1, 0, 0, 0);

            for (int i = 0; i < (3600 * 24); i++)
            {
                if ((d.Minute != minuteOld) && (d.Minute % 10 == 0))
                {
                    // si el minutos es 0, entonces mando los datos...
                    if (d.Minute == 0)
                    {
                        Console.Write("{0:00}:{1:00} --> ", d.Hour, d.Minute); // medicion
                        Console.WriteLine("mandar datos!");
                    }
                    else
                    {
                        Console.WriteLine("{0:00}:{1:00}", d.Hour, d.Minute); // medicion
                    }

                    // guardo el minuto viejo!
                    minuteOld = d.Minute;
                }

                d = d.AddSeconds(1);
            }

            Console.ReadLine();
        }
    }
}
